diff --git a/README.md b/README.md
index 399f0daaf0c11acdb1bd1d553a8290d238ac53f1..a4b6f56c897d31aba5740c05c919b00f07979e86 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ To run a set of replicates from study RID:
 ------------------------------------------
 Run in repo root dir:
 * `sh workflow/scripts/splitStudy.sh [studyRID]`
-It will run in parallel in batches of 25 replicatesRID with 10 second delays between launches.
+It will run in parallel in batches of 25 replicatesRID with 30 second delays between launches.
 
 
 
@@ -115,4 +115,4 @@ Please cite in publications: Pipeline was developed by BICF from funding provide
 Pipeline Directed Acyclic Graph
 -------------------------------
 
-![dag](docs/dag.png "DAG")
+![dag](docs/dag.png "DAG")
\ No newline at end of file
diff --git a/workflow/scripts/splitStudy.sh b/workflow/scripts/splitStudy.sh
index be4259c2225b72e1e789b8c01a184930b5b86819..bade44bbdf1c06b0771bf9f0d040d660fa77fe4d 100644
--- a/workflow/scripts/splitStudy.sh
+++ b/workflow/scripts/splitStudy.sh
@@ -10,7 +10,7 @@ python3 ./workflow/scripts/splitStudy.py -s $1
 # run pipeline on replicate RIDs in parallel
 module load nextflow/20.01.0
 module load singularity/3.5.3
-while read repRID; do echo ${repRID}; sleep 10; done < "$1_studyRID.csv" | xargs -P 25 -I {} nextflow -q run workflow/rna-seq.nf --repRID {}
+while read repRID; do echo ${repRID}; sleep 30; done < "$1_studyRID.csv" | xargs -P 25 -I {} nextflow -q run workflow/rna-seq.nf --repRID {}
 
 # cleanup study RID files
 rm $1_studyRID.json